2609511472 | Plasma membrane | Phospholipid bilayer with embedded proteins, glycoproteins, cholesterol etc.. | 0 | |
2609523409 | Fluid Mosaic Model | Scattered proteins within a flexible plasma membrane | 1 | |
2609528688 | The plasma membrane is ________ | selectively permeable | 2 | |
2609534497 | Small non polar molecules permeability | Very permeable (O2 / hydrocarbons) | 3 | |
2609535378 | Small polar molecules permeability | Permeable (H2O) | 4 | |
2609543017 | Large polar/nonpolar permeability | Not permeable (Glucose) | 5 | |
2609543767 | Ion permeability | Not permeable | 6 | |
2609546954 | Channel proteins | Proteins function like hallway | 7 | |
2609548160 | Ion channels | Ion specific passageways / Included gated ion channels in nerve muscles | 8 | |
2609553740 | Porins | Channels that allow passage of certain ions and small polar molecules through the membrane | 9 | |
2609556669 | Aquaporins | Dramatically increase the passage rate of H2O molecules | 10 | |
2609580939 | Cholesterol increases ______ of cell membrane | rigidity / viscosity | 11 | |
2609582628 | Cholesterol _____ itself inside of the cell membrane | Intercalates | 12 | |
2609584403 | Nucleus is bounded by the _______ | nuclear envelope | 13 | |
2609587682 | Glycocalyx | carbohydrate coat that overs outer face of plasma membrane. Consists of glycolipids and glycoproteins | 14 | |
2609595705 | Chromatin winds itself around globular ______ proteins | histone | 15 | |
2609598486 | Globins aggregate together in DNA to form ______ | nucleosomes | 16 | |
2609601285 | Ribsome is composed of what two subunits | 60s and 40s -------- total 80s | 17 | |
2609607946 | Difference between lysosomes and peroxisomes | lysosomes contain digestive enxymes and break down waste, cellular debris, etc Peroxisomes break down Peroxide, toxic substances, and in plant modify by-products of photorespiration. | 18 | |
2609624597 | Peroxisomes are called _____ in germinating seeds | Glyoxysomes | 19 | |
2609628204 | Three types of protein fibers in cells | Microtubules, Intermediate filaments, microfilaments | 20 | |
2609630524 | Microtubules are made of _____ and are involved in the _____ | tubulin / spindle apparatus | 21 | |
2609635625 | Microfilaments are made of the protein ______ | actin | 22 | |
2609641675 | Cilia and flagella are responsible for ______ | cellular movement | 23 | |
2609642796 | Cilia and flagella are made up of _______ in a _____ array | microtubules, 9+ 2 | 24 | |
2609655813 | Centrioles and basal bodies act as _____ | microtubules organizing centers | 25 | |
2609657376 | A pair of centrioles is enclosed in a ______ | centrosome | 26 | |
2609660512 | ______ and Vesicles are fluid filled bodies | Vacuoles | 27 | |
2609663416 | Central vacuoles exhibit ______ when filled, store ______ , and carry out _______ function | turgor, nutrients, lysosome | 28 | |
2609671548 | Contractile vacuoles are only found in ______ and ________ out of the cell | proks, pump excess water out | 29 | |
2609690804 | Smooth ER is responsible for _____ and also ______ | lipid/hormone synthesis , breakdown of toxins | 30 | |
2609696518 | In plants the cell wall consists of _______ | cellulose | 31 | |
2609699423 | In fungi the cell wall can consist of cellulose or ____ | chitin | 32 | |
2609705382 | Anchoring junctions are found in ______ and include ______ | animals / desmosomes | 33 | |
2609710534 | Tight junctions are found in ______ and are _______ | animals digestive tracts / tightly stitched seems | 34 | |
2609714942 | Communicating junctions transfer _____ or _____ signals | chemical or electrical | 35 | |
2609716721 | Two kinds of communicating junctions | Gap junctions / plasmodesmata | 36 | |
2609721211 | Gap junctions are narrow tunnels that have a protein called ______ | connexins | 37 | |
2609725722 | Plasmodesmata are found in _______ | plant cells | 38 | |
2609727149 | Animal cells have _____(3) | lysosomes, centrioles, cholesterol | 39 | |
2609728144 | Plant cells have _____(3) | cell walls, chloroplasts, central vacuoles | 40 | |
2609733074 | Prokaryotic ribosome is made up of the following subunits | 50s 30s ------ 70s | 41 | |
2609741221 | Cell walls of bacteria and cyanobacteria are constructed from ______ | peptidoglycans | 42 | |
2609743907 | Hypertonic | high solute outside | 43 | |
2609743908 | Hypotonic | low solute outside | 44 | |
2609745948 | Isotonic | same solute | 45 | |
2609750627 | The diffusion of solutes is called _______ | dialysis | 46 | |
2609753032 | When too much water moves out of the cell _____ occurs | plasmolysis | 47 | |
2609757164 | Countercurrent exchange is the process when _____ | two regions that have bulk flow in opp directions | 48 | |
2609766933 | Receptor mediated endocytosis is a form of _____ and specific molecules called ____ bind to the receptor forming a vessicle | pinocytosis, ligands | 49 | |
2609775979 | Water flows ___ | towards solute | 50 |
DAT Biology (Chapter 2 - Cell structure) Flashcards
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